function formatTime(time) {
	if (typeof time !== 'number' || time < 0) {
		return time
	}

	var hour = parseInt(time / 3600)
	time = time % 3600
	var minute = parseInt(time / 60)
	time = time % 60
	var second = time

	return ([hour, minute, second]).map(function (n) {
		n = n.toString()
		return n[1] ? n : '0' + n
	}).join(':')
}

function formatLocation(longitude, latitude) {
	if (typeof longitude === 'string' && typeof latitude === 'string') {
		longitude = parseFloat(longitude)
		latitude = parseFloat(latitude)
	}

	longitude = longitude.toFixed(2)
	latitude = latitude.toFixed(2)

	return {
		longitude: longitude.toString().split('.'),
		latitude: latitude.toString().split('.')
	}
}
var dateUtils = {
	UNITS: {
		'年': 31557600000,
		'月': 2629800000,
		'天': 86400000,
		'小时': 3600000,
		'分钟': 60000,
		'秒': 1000
	},
	humanize: function (milliseconds) {
		var humanize = '';
		for (var key in this.UNITS) {
			if (milliseconds >= this.UNITS[key]) {
				humanize = Math.floor(milliseconds / this.UNITS[key]) + key + '前';
				break;
			}
		}
		return humanize || '刚刚';
	},
	format: function (dateStr) {
		var date = this.parse(dateStr)
		var diff = Date.now() - date.getTime();
		if (diff < this.UNITS['天']) {
			return this.humanize(diff);
		}
		var _format = function (number) {
			return (number < 10 ? ('0' + number) : number);
		};
		return date.getFullYear() + '/' + _format(date.getMonth() + 1) + '/' + _format(date.getDate()) + '-' +
			_format(date.getHours()) + ':' + _format(date.getMinutes());
	},
	parse: function (str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串，转化为一个Date对象
		var a = str.split(/[^0-9]/);
		return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
	}
};

function formatDate(year, month, day) {
	return year + '-' + getTwo(month) + '-' + getTwo(day)
}

function getTwo(num) {
	if (Number(num) < 10) {
		return '0' + num;
	} else {
		return num
	}
}

//检查号码是否符合规范，包括长度，类型
function IdentityCode_isCardNo(card) {
  //身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位，可能为数字或字符X
  var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/; // 正则表达式
  if (reg.test(card) === false) {
    return false;
  }
  return true;
};

//取身份证前两位，校验省份
function IdentityCode_checkProvince(card) {
  /**
 * 身份证城市代码列表
 */
  var aIdentityCode_City = { // 城市代码列表
    11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林",
    23: "黑龙江 ", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西",
    37: "山东", 41: "河南", 42: "湖北 ", 43: "湖南", 44: "广东", 45: "广西", 46: "海南",
    50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏 ", 61: "陕西", 62: "甘肃",
    63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外 "
  };

  var province = card.substr(0, 2);
  if (aIdentityCode_City[province] == undefined) {
    return false;
  }
  return true;
};

//检查生日是否正确，15位以'19'年份来进行补齐。
function IdentityCode_checkBirthday(card) {
  var len = card.length;
  //身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字
  if (len == '15') {
    var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
    var arr_data = card.match(re_fifteen); // 正则取号码内所含出年月日数据
    var year = arr_data[2];
    var month = arr_data[3];
    var day = arr_data[4];
    var birthday = new Date('19' + year + '/' + month + '/' + day);
    return IdentityCode_verifyBirthday('19' + year, month, day, birthday);
  }
  //身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X
  if (len == '18') {
    var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
    var arr_data = card.match(re_eighteen); // 正则取号码内所含出年月日数据
    var year = arr_data[2];
    var month = arr_data[3];
    var day = arr_data[4];
    var birthday = new Date(year + '/' + month + '/' + day);
    return IdentityCode_verifyBirthday(year, month, day, birthday);
  }
  return false;
};

//校验日期 ，15位以'19'年份来进行补齐。
function IdentityCode_verifyBirthday(year, month, day, birthday) {
  var now = new Date();
  var now_year = now.getFullYear();
  //年月日是否合理
  if (birthday.getFullYear() == year
    && (birthday.getMonth() + 1) == month
    && birthday.getDate() == day) {
    //判断年份的范围（3岁到150岁之间)
    var time = now_year - year;
    if (time >= 3 && time <= 150) {
      return true;
    }
    return false;
  }
  return false;
};

//校验位的检测
function IdentityCode_checkParity(card) {
  card = IdentityCode_changeFivteenToEighteen(card); // 15位转18位
  var len = card.length;
  if (len == '18') {
    var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
    var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
    var cardTemp = 0, i, valnum;
    for (i = 0; i < 17; i++) {
      cardTemp += card.substr(i, 1) * arrInt[i];
    }
    valnum = arrCh[cardTemp % 11];
    if (valnum == card.substr(17, 1)) {
      return true;
    }
    return false;
  }
  return false;
};

//15位转18位身份证号
function IdentityCode_changeFivteenToEighteen(card) {
  if (card.length == '15') {
    var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
    var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
    var cardTemp = 0, i;
    card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6);
    for (i = 0; i < 17; i++) {
      cardTemp += card.substr(i, 1) * arrInt[i];
    }
    card += arrCh[cardTemp % 11];
    return card;
  }
  return card;
};

/**
 * 身份证号码检验主入口
 * 符合规则则返回性别：0|女生 1|男生
 * 不符合规则弹出提示错误
 */
function IdentityCodeValid(card) {
  // var tip = "您输入的身份证号码不正确，请重新输入！";
  var pass = true;
  // var sex;
  card = card.toLocaleUpperCase();
  console.log(card);
  //是否为空
  if (pass && card === '') {
    pass = false;
    return pass;
  }
  //校验长度，类型
  if (pass && IdentityCode_isCardNo(card) === false) {
    pass = false;
    return pass;
  }
  //检查省份
  if (pass && IdentityCode_checkProvince(card) === false) {
    pass = false;
    return pass;
  }
  //校验生日
  if (pass && IdentityCode_checkBirthday(card) === false) {
    pass = false;
    return pass;
  }
  //检验位的检测
  if (pass && IdentityCode_checkParity(card) === false) {
    pass = false;
    return pass;
  }
 
  return pass;

}
module.exports = {
	formatTime: formatTime,
	formatLocation: formatLocation,
	dateUtils: dateUtils,
	formatDate: formatDate,
	IdentityCodeValid: IdentityCodeValid
}
